Chess board



FIG. 1 is a top, front and side perspective view of a chess board in accordance with the present design.

FIG. 2 is a front view of the chess board, the rear view being a mirror image thereof.

FIG. 3 is a right side plan view of the chess board, the left side view being a mirror image thereof.

FIG. 4 is a top plan view of the chess board; and,

FIG. 5 is a bottom view of the chess board. 

CLAIM The ornamental design for a chess board, as shown and described. 